Mechanical Engineer - Tunnel Ventilation

Water At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Jacobs, has a great opportunity for an experienced Mechanical Engineer to join and help grow our national tunnel practice. You’ll work as part of our practice consisting of over 100 engineers in North America, and over 800 globally. As a Mechanical Engineer supporting our tunnel work you will have the opportunity to follow projects from the conceptual phase through the construction phase, working on a variety of complex transportation projects.

When you join us, you’ll be responsible for:

• Manage and coordinate tunnel ventilation works from concept to construction in support of project requirements
• Perform tunnel ventilation analysis using 1D and 3D computational modelling tools (i.e. SES and CFD) and develop innovative designs, meeting our client’s expectations
• Collaborate with other engineering disciplines within the tunnel systems team to help complete assigned tasks and projects
• Assisting in the bidding process of future work and developing/strengthening networking channels
• Participate in site inspections of tunnels and related infrastructure facilities as and when required

Here's what you'll need

• Hold a Bachelor or master’s degree in mechanical or equivalent engineering degree
• PE in the state of NJ or NY or the ability to obtain within six months
• Have five to seven years of experience in tunnel ventilation and mechanical ventilation design
• Be knowledgeable on 1D & 3D modelling tools (SES, ANSYS Fluent/CFX, FDS) and evacuation software, and HVAC Systems would be beneficial
• Have good knowledge of NFPA with emphasis on NFPA 130 and NFPA 502, and fire life safety codes
• Have knowledge of CAD Software using AutoCAD / Microstation / BIM

Posted Salary Range: Minimum

95,000.00

Posted Salary Range: Upper

128,000.00

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full-time salaried/exempt employees, seven paid holidays, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $95,000.00 to $128,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on March 23, 2026. This position will be open for at least 3 days.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support .

Locations

City State Country
Manhattan	New York	United States
Morristown	New Jersey	United States
New York	New York	United States